What do all similar circles have in common a) congruent circumference value b) congruent diameters c) π

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.